Perhaps you should try some spelling variations:
su sach » so sach, vu sach
xanh di » danh di, vanh dai, xanh tai
sach lo » sach dao, sach doi, sach hoi
hieu ve » hieu va, hieu van
ve cham » va cham, ve chat, vu cham
nang ma » tang ma, nang cao, mang may
sang ma » tang ma, sang tao, mang may
xuc va » duc va, tuc va, xac va
luc va » duc va, tuc va, loc va
di cua » dai cua, doi cua, de cua
cua te » cua tu

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: su sach lo ((nang ma) or (sang ma)) hoi. hieu ve cham ((xuc va) OR (luc va)) xanh di cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach lo ((nang ma) OR (sang ma)) hoi. hieu ve cham ((xuc va) OR (luc va)) xanh di cua te*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach lo ((nang ma) or (sang ma)) hoi. hieu ve cham ((xuc va) OR (luc va)) xanh di cua te*".